Name________________________
Date______________
Go to page 191 of the textbook and answer the following questions referring to the graph!!
Be sure to read the introductory paragraph for information also!
#1 What information on the graph is shown in red?________________________________
blue?_________________________________
#2 What do the dots on the graph represent?__________________________________________
#3 There are three types of information shown on the graph:
a. vertical axis shows _________________________________________ in ___________(units )
b. horizontal axis shows______________________________________________in __________(units)
c. on the graph itself is_________________________in _____________(units)
#4 What is the temperature of the asthenosphere at a distance of 600 kilometers and a depth of 100
kilometers?
_____________________________
#5 What is the approximate depth of earthquakes that occur at a distance of 200 kilometers from the
point where the plate begins to subduct?
_____________________________
#6 What is the relationship between the distance from the point at which the plate begins to subduct
and the depth of an earthquake?
_______________________________________________________________________________________
#7 How does the subducting plate appear to affect temperatures in the asthenosphere?(hint-follow
the temperature lines on the graph-what do they do?)
_____________________________________________________________________________________
#8 What is the approximate depth at which earthquake activity in the subducting plate stops?
_____________________________________________________________________________________